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Cheap flights from Portland to Ireland from $267

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 pm - 5:55 pm
DUB
-
PDX
13h 40m
1 stop
$583Icelandair
Wed, Oct 7 - Wed, Oct 14
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 pm - 5:55 pm
DUB
-
PDX
13h 40m
1 stop
$584Icelandair
Wed, Oct 7 - Wed, Oct 14
Delta Logo
9:40 am - 4:40 pm
PDX
-
ORK
23h 00m
2 stops
Delta Logo
5:40 am - 11:20 am
ORK
-
PDX
13h 40m
1 stop
$743Delta
Tue, Nov 10 - Wed, Nov 18
Delta Logo
9:40 am - 4:40 pm
PDX
-
ORK
23h 00m
2 stops
Delta Logo
5:40 am - 11:20 am
ORK
-
PDX
13h 40m
1 stop
$748Delta
Tue, Nov 10 - Wed, Nov 18
KLM Logo
1:05 pm - 4:35 pm
PDX
-
ORK
19h 30m
1 stop
KLM Logo
6:15 am - 11:10 am
ORK
-
PDX
12h 55m
1 stop
$774KLM
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
11:30 pm - 10:15 am
PDX
-
SNN
50h 45m
2 stops
United Airlines Logo
12:30 pm - 9:27 pm
SNN
-
PDX
16h 57m
1 stop
$799United Airlines
Fri, Oct 9 - Wed, Oct 21
KLM Logo
1:05 pm - 10:20 am
PDX
-
ORK
13h 15m
1 stop
KLM Logo
6:15 am - 8:02 pm
ORK
-
PDX
21h 47m
2 stops
$804KLM
Wed, Aug 26 - Tue, Sep 8
United Airlines Logo
11:30 pm - 10:15 am
PDX
-
SNN
50h 45m
2 stops
United Airlines Logo
12:30 pm - 10:53 pm
SNN
-
PDX
42h 23m
3 stops
$810United Airlines
Fri, Oct 9 - Wed, Oct 21
Lufthansa Logo
10:33 pm - 10:15 am
PDX
-
SNN
27h 42m
1 stop
Lufthansa Logo
12:30 pm - 9:27 pm
SNN
-
PDX
16h 57m
1 stop
$885Lufthansa
Fri, Oct 9 - Wed, Oct 21
Lufthansa Logo
10:33 pm - 10:15 am
PDX
-
SNN
27h 42m
1 stop
Lufthansa Logo
12:30 pm - 9:27 pm
SNN
-
PDX
16h 57m
1 stop
$890Lufthansa
Fri, Oct 9 - Wed, Oct 21

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Lufthansa flights from Portland to Ireland

Our best Lufthansa deals on Portland to Ireland flight tickets
Lufthansa
Sep 22
PDX3:30 pmPortland
32h 15m
2 stops
DUB7:45 amDublin
Sep 30
DUB9:50 amDublin
17h 21m
1 stop
PDX7:11 pmPortland
$751
Lufthansa
Sep 27
PDX3:30 pmPortland
32h 15m
2 stops
DUB7:45 amDublin
Oct 8
DUB6:00 amDublin
21h 06m
2 stops
PDX7:06 pmPortland
$753
Lufthansa
Sep 27
PDX3:30 pmPortland
32h 15m
2 stops
DUB7:45 amDublin
Oct 8
DUB6:00 amDublin
21h 06m
2 stops
PDX7:06 pmPortland
$758

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
Oct 7
PDX3:30 pmPortland
13h 45m
1 stop
DUB1:15 pmDublin
Oct 14
DUB12:15 pmDublin
13h 40m
1 stop
PDX5:55 pmPortland
$583
Icelandair
Oct 7
PDX3:30 pmPortland
13h 45m
1 stop
DUB1:15 pmDublin
Oct 14
DUB12:15 pmDublin
13h 40m
1 stop
PDX5:55 pmPortland
$584
Icelandair
Oct 27
PDX3:45 pmPortland
11h 30m
1 stop
DUB10:15 amDublin
Nov 11
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
$624

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 10/7

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 10/14

12:15 pm-5:55 pm

1 stop13h 40m

$583

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 10/7

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 10/14

12:15 pm-5:55 pm

1 stop13h 40m

$584

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 11/10

9:40 am-4:40 pm

2 stops23h 00m

Cork

Wed 11/18

5:40 am-11:20 am

1 stop13h 40m

$743

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 11/10

9:40 am-4:40 pm

2 stops23h 00m

Cork

Wed 11/18

5:40 am-11:20 am

1 stop13h 40m

$748

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 10/5

1:05 pm-4:35 pm

1 stop19h 30m

Cork

Wed 10/14

6:15 am-11:10 am

1 stop12h 55m

$774

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 10/9

11:30 pm-10:15 am

2 stops50h 45m

Shannon

Wed 10/21

12:30 pm-9:27 pm

1 stop16h 57m

$799

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 8/26

1:05 pm-10:20 am

1 stop13h 15m

Cork

Tue 9/8

6:15 am-8:02 pm

2 stops21h 47m

$804

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 10/9

11:30 pm-10:15 am

2 stops50h 45m

Shannon

Wed 10/21

12:30 pm-10:53 pm

3 stops42h 23m

$810

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 10/9

10:33 pm-10:15 am

1 stop27h 42m

Shannon

Wed 10/21

12:30 pm-9:27 pm

1 stop16h 57m

$885

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 10/9

10:33 pm-10:15 am

1 stop27h 42m

Shannon

Wed 10/21

12:30 pm-9:27 pm

1 stop16h 57m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $483. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $484.

How far in advance should I book a flight from Portland to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $655 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $628 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 18% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 30m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

Frequently asked questions about flying from Portland to Ireland

  • When did momondo last update prices for flights from Portland Airport to Ireland?

    Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ireland?

  • How old do you have to be to fly from Portland Airport to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $367Free CancellationRating
7.0
717 reviews
Search Icelandair flights
United AirlinesPriceFrom $462Free CancellationRating
7.4
10,025 reviews
Search United Airlines flights
IberiaPriceFrom $462Free CancellationRating
7.0
3,257 reviews
Search Iberia flights
British AirwaysPriceFrom $464Free CancellationRating
6.7
8,129 reviews
Search British Airways flights
American AirlinesPriceFrom $466Free CancellationRating
7.1
11,835 reviews
Search American Airlines flights
Air CanadaPriceFrom $468Free CancellationRating
7.1
11,377 reviews
Search Air Canada flights
DeltaPriceFrom $468Free CancellationRating
7.8
8,483 reviews
Search Delta flights
KLMPriceFrom $474Free CancellationRating
7.8
1,544 reviews
Search KLM flights
LufthansaPriceFrom $577Free CancellationRating
6.8
8,158 reviews
Search Lufthansa flights
Aer LingusPriceFrom $676Free CancellationRating
7.3
1,676 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

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